Table 3.

Data (top three rows) used to generate estimated proportions of juveniles destined for yearling and subyearling migration (bottom two rows).

	River segment number
	To Lower Granite	Lower Granite to Little Goose	Little Goose to Lower Monumental	Migrant below Lower Monumental	Transported	Total
Joint probability of migrating and surviving (mi)	0.473	0.793	0.741
Subyearling survival (S0,i)	0.598	0.856	0.846
Detection probability (di)	0.560	0.629	0.490
Proportion of subyearlings in each category (p0,i)	0.318*	0.0278*	0.0083*	0.0231†	0.360‡	0.737
Proportion of yearlings in each category (p1,i)	0.209¶	0.0153¶	0.0076¶		0.0313‡	0.263

^*Mortality.

^†Migrants below Lower Monumental Dam.

^‡Transported below Bonneville Dam.

^¶Overwintering.